[[!meta date="Fri Nov 29 00:00:00 2013"]]
[[!meta title="Numerous security holes in Tails 0.21"]]

[[!tag security/fixed]]

Several security holes affect Tails 0.21.

We **strongly** encourage you to [[upgrade to Tails
0.22|news/version_0.22]] as soon as possible.

Details
=======

 - Iceweasel / NSS: [[!mfsa2013 103]], [[!mfsa2013 104]], [[!mfsa2013
   108]], [[!mfsa2013 109]], [[!mfsa2013 111]], [[!mfsa2013 113]],
   [[!mfsa2013 114]], [[!mfsa2013 115]], [[!mfsa2013 116]],
   [[!mfsa2013 117]], [[!debsa2013 2800]], [[!cve CVE-2013-1739]]
   [[!cve CVE-2013-1741]], [[!cve CVE-2013-5605]] and [[!cve
   CVE-2013-5606]]
 - curl: [[!debsa2013 2798]]
 - ICU: [[!debsa2013 2786]]
 - Gimp: [[!debsa2013 2813]]
 - Ruby 1.8: [[!debsa2013 2809]]
 - OpenJPEG: [[!debsa2013 2808]]
